Melissa B. Wallace, WHNP
NPI 1497027247ActiveIndividual· Nurse Practitioner· Chesterfield, MO
Nurse Practitioner (WHNP) with West County Women's Healthcare, LLC, practicing in Chesterfield, Missouri. Their prescriptions cost Medicare Part D more than their services did: $6,431 for 169 claims, against $3,822 paid for services in 2024. Evofem Biosciences, Inc. was the largest of 10 companies reporting payments in 2025, $265.85 in all, mostly food and beverage. Lists St Lukes Hospital as a hospital affiliation.
Overview
| NPI | 1497027247 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | WHNP |
| Sole proprietor | No |
| NPI issued | Feb 8, 2012 |
| Last updated in NPPES | Feb 17, 2025 |
| Certified by provider | Feb 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 151045 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 43 |
|---|---|
| Services billed | 64 across 7 procedure codes |
| Paid by Medicare | $3,822 |
Part D prescriptions in 2024
| Prescriptions (claims) | 169 · 274 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $6,431 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- West County Women's Healthcare, LLCChesterfield, MO · 10 clinicians
Hospital affiliation
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$265.85 · 15 payments from 10 companies
- 2024$613.89 · 35 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Evofem Biosciences, Inc. | $49.59 | 3 |
| Sage Therapeutics, LLC | $44.91 | 3 |
| Astellas Pharma US Inc | $43.29 | 2 |
| Organon LLC | $22.41 | 1 |
| Exact Sciences Corporation | $21.85 | 1 |
What the 2025 payments were for
- Food and Beverage$265.85 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 nurse practitioners in Chesterfield · All nurse practitioners in Missouri